KR20200006786A - Protect hose insertion device - Google Patents

Abstract

The present invention provides a protective pipe insertion device which intimately and closely grasps a wire with a high grasp force, stably and quickly inserts and connects a protective pipe with minimum friction resistance when inserting or separating the protective pipe to the wire and easily separates and removes the interconnected protective pipe. To this end, the protective pipe insertion device comprises a main body frame, a grasp member, a first friction reduction unit, a second friction reduction unit, a transfer wheel, and a connection support unit. Therefore, efficiency of connection or separation of the protective pipe can be maximized with a less force and working time can be greatly reduced.

Description

Protective hose insertion device

The present invention relates to a protective tube inserting device, and more particularly, to hold the wire in close contact with a high gripping force, and to insert the protective tube into the wire in a stable or rapid manner with minimal frictional resistance when the wire is inserted or separated. The present invention relates to a protective tube inserting device which can be easily removed and interconnected as well as interconnected protective tubes.

In general, high-voltage wires for powering a building are arranged close to various workpieces, and thus electric shock disasters frequently occur due to proximity or contact with high-voltage wires when working near power lines. In addition, there is often a case of causing an electrostatic accident due to foreign body contact with the electric workpiece by rain, wind and tidal current.

In order to prevent such electric shock accidents and power failure accidents, a linear insulated protective tube was manufactured to protect the straight part of the high-voltage wire at the construction site, thereby contributing to securing the safety of workers when working near power lines.

As described above, in the prior art for installing a protective tube on an electric wire, as described in Japanese Patent Publication No. 5859785 (hereinafter referred to as "prior art document 1"), the driving roller is freely directed toward the retracting direction of the protective tube. It can be easily and quickly and reliably removed without damaging the protective tube or the driving roller while appropriately adjusting the pressure contact force of the driving roller by appropriately adjusting the outer diameter and the external shape of the protective tube by oscillating and driving the shaft. Techniques have been proposed, such as a protective tube insertion and removal device.

In addition, as disclosed in Japanese Patent Publication No. 5947228 (hereinafter referred to as "prior art document 2"), even when the diameter is not uniform in the longitudinal direction and protrusions or the like are formed, the projections are smooth by the lightweight construction. Beyond that, techniques such as protective tube inserters have been proposed.

In addition, as disclosed in Japanese Patent Publication No. 5997628 (hereinafter referred to as "prior art document 3"), it is a structure that can stably support the protective tube without causing deformation and can smoothly cross connection portions having different diameters. It has also been proposed a technique such as a protective tube inserter realized by a single roller.

In addition, as disclosed in Japanese Unexamined Patent Application Publication No. 2016-119744 (hereinafter referred to as "prior art document 4"), the protection tube is prevented from being disconnected, and even when it is dropped, it can be easily removed by remote operation. Techniques such as protective tube demounters have also been proposed.

Japanese Patent Publication No. 5859785 Japanese Patent Publication No. 5947228 Japanese Patent Publication No. 5997628 Japanese Laid-Open Patent Publication No. 2016-119744

However, the prior art documents 1 to 4 are not only inconvenient for the operator to handle and use, but also take a long time without being smoothly inserted or separated due to frictional resistance with the protective tube in the process of inserting or removing the protective tube with an electric wire. Has the disadvantage of being.

The specific technical problem of the present invention for solving the conventional problems as described above, while gripping the wire to be in close contact with a high gripping force, as well as stable and rapid with minimal frictional resistance when inserting or separating the protective tube into the wire It is to provide a protective tube inserting device that can be easily inserted and connected, as well as interconnected protective tube can be easily separated and removed.

Another specific technical problem of the present invention is to smoothly open the flange of the protective tube for inserting the electric wire.

Another specific technical problem of the present invention is to make it easier to connect or disconnect the protective tube and the protective tube.

Specific technical solutions of the present invention for solving the technical problem as described above is a protective tube inserting device for inserting a protective tube on the outer peripheral surface of the electric wire to prevent electric shock disaster and power failure accident, the protective tube inserting device A main frame composed of a guide base into which a protection tube is inserted and guided, and a mounting frame provided on an upper surface of the guide base; A gripping member which is lifted by the rotational force of the rotary hole on the upper end of the mounting frame and grips an electric wire to install a protective tube; A first friction reducing part for reducing frictional resistance while opening both sides of a flange of the protective tube at the tip of the side where the protective tube is inserted into the guide stand; A second friction reducing portion for reducing friction while supporting the inner bottom surface of the protective tube on the guide stand on the rear side of the first friction reducing portion; And a transport wheel for transporting the protection pipe inserted into the lower part of the guide while rotating by the driving means, wherein the transport wheel is connected to the transport wheel by a mounting frame and a spring so as to support the bottom of the protection pipe. ; And a connection support supporting a connection bracket for stopping and moving the connection bracket connecting the protection tube and the protection tube to the lower side of the guide stand on the opposite side into which the protection tube is inserted.

The gripping member may include a cover provided to cover the upper surface of the wire, a lifting link to which at least two or more of the cover and the mounting frame are rotatably connected, respectively provided at corresponding positions of the mounting frame and any one lifting link. The nut housing, and includes a rotary hole coupled to each nut housing.

The cover and the mounting frame are formed with respective inclined surfaces to bend the wires for inserting the protective tubes.

The first friction reducing part is rotatable on both sides of the guide stand and is composed of at least one or more vertical rollers provided in a zigzag shape with a width corresponding to the width of the wire.

The width of the side into which the protection tube of the vertical roller is inserted is formed to be narrower than the width of the electric wire.

The second friction reducing part includes at least one mounting groove formed on the bottom surface of the guide stand, and each horizontal roller rotatably provided on the mounting groove.

The driving means includes a respective connection pins having bearings on the outer surface at regular intervals along the outer circumferential surface of the transfer wheel, a drive sprocket for contacting and rotating the connection pins, and a power transmission unit connected to a driving source to rotate the drive sprockets. do.

The connection support part has a rolling roll formed at one end to be clouded on a stopper body supported by support springs on both sides and a cam groove formed on one surface of the stopper body to support and stop the bottom of the connection bracket, so that a greater force is applied than the support spring. When the stopper body is rotated to include a restoring spring to restore to the original position.

The present invention not only grips the wires tightly with high gripping force, but also can safely and quickly insert and connect the protection pipes with minimal frictional resistance when inserting or separating the protection pipes into the wires. By making it possible to remove it, the effect of maximizing the connection or disconnection efficiency of the protection tube with a small force, and the resulting work time can be significantly shortened.

In addition, by allowing the flange of the protective tube for inserting the wire to be smoothly opened, the insertion of the protective tube also has the effect that can be made quickly and smoothly in a short time.

In addition, by making the connection or separation of the protective tube and the protective tube more easily made, it is also effective to further increase the efficiency of the installation or removal of the protective tube.

1 is a front view for explaining the present invention,
2 is a partial side view for explaining the driving means according to FIG. 1;
3a to 3h is a flow chart for explaining the use state of the present invention,
3A to 3B are front views for explaining a state of holding a wire;
3c to 3d is a front view and a partial plan view for explaining the process of inserting the protective tube,
3E to 3F are front views for explaining a process in which a protective tube and a protective tube are connected;
3G to 3H are front views for explaining a process of separating the protection tube.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. The present invention is not limited or limited by the embodiments.

1 is a front view for explaining the present invention, Figure 2 is a partial side view for explaining the driving means according to FIG.

As shown, the conventional protective tube inserting apparatus 1 is a device used to insert the protective tube on the outer circumferential surface of the electric wire in order to prevent electric shock disasters and blackout accidents.

The protection tube (H) is a known structure, the flange (H1) is formed on both sides of the upper, the insertion tube (H2) is formed in the lower portion of the flange is formed, the pressure is applied to each end and end It has a structure that is fastened and fixed by a conventional hook method. Each end of the protective tube is fixed to each connecting bracket (B) surrounding the connecting portion of the protective tube and the protective tube, the connection bracket also has a structure corresponding to the protective tube by the usual way to the outer peripheral surface of the protective tube It is provided in an attached form.

Such protective tube inserting device should provide the user with easy handling, light weight and convenience of use.

In particular, in the process of inserting or separating the protective tube by the wire, the insertion or separation should be made smoothly due to the frictional resistance with the protective tube, the conventional protective tube inserting device has a disadvantage that takes a long time due to the frictional resistance. .

The present invention not only grips the wires tightly with high gripping force, but also can safely and quickly insert and connect the protection pipes with minimal frictional resistance when inserting or separating the protection pipes into the wires. To remove it.

The protective tube inserting apparatus 1 according to the present invention is the main frame 10, the holding member 20, the first friction reducing portion 30, the second friction reducing portion 40, the transfer wheel 50 and the connection And a support 60.

The main body frame 10 is composed of a guide guide 12 having a circular shape in which the protective tube H is smoothly inserted and guided to the lower part, and a mounting frame 14 provided on the upper surface of the guide guide 12.

In other words, the main body frame is a main component constituting the protection tube inserting apparatus, and other components described later are mounted.

In addition, the tip is inserted into the guard tube of the guide stand is preferably formed to be pointed like a conventional cone shape so that the protective tube is inserted smoothly.

In addition, the front end of the mounting frame also serves to widen primarily between the flanges of the protection tube to be inserted by the width of the mounting frame.

The gripping member 20 has a technical configuration of gripping the electric wire to install the protection tube (H) while being elevated by the rotational force of the rotary hole 22 on the upper end of the mounting frame (14).

The gripping member 20 is a cover 24 provided to cover the upper surface of the wire, and at least two or more of the cover 24 and the mounting frame 14 are rotatably connected by a conventional pin coupling method or the like. Lifting link 25, each of the nut housing 26 provided in the corresponding position of the mounting frame 14 and any one of the lifting link 25, and bolt type to be fastened to each of the nut housing 26 Rotor 22 of the. The rotating tool is provided with a groove into which the end of the tool is inserted into the head so that the operator can rotate by inserting a conventional manual or electric tool from the bottom.

That is, referring to FIGS. 3A and 3B, as the rotating holes 22 fastened to the respective nut housings 26 are rotated, that is, when the rotating holes 22 are rotated forward, the lifting link ( The cover 24 is lifted by 25 to open the wire to be gripped between the top of the mounting frame 14 and the cover 24.

Then, the wire is inserted, and again by rotating the rotary sphere 22, the cover 24 that was raised is lowered to grip the upper surface of the wire in close contact.

The wires between the mounting frame and the cover thus remain tight and free of fluidity.

Here, the cover 24 and the mounting frame 14 are each inclined surface (I) is formed to bend the wire to insert the protective tube (H).

In other words, the bending of the electric wire by each of the inclined surfaces is to set the position to insert the protective tube, so that the front end of the protective tube to be inserted is smoothly inserted through the bent portion.

The first friction reducing part 30 is a technical configuration of reducing the frictional resistance while opening both sides of the flange (H1) of the protective tube (H) at the tip of the side of the guide tube 12 is inserted into the protective tube (H) Has

The first friction reducing portion 30 is rotatable on both sides of the guide stand 12, or at least one vertical roller 32 is provided in a zigzag shape in a width corresponding to the width of the wire while being rotatable in a conventional bracket or frame, etc. It consists of.

In other words, the vertical roller 32 of the first friction reducing portion 30 smoothly inserts the electric wire through the flange H1 of the protection tube H which is primarily opened in the mounting frame as shown in FIGS. 3C and 3D. It is made while reducing the frictional resistance with the protective tube (H) is inserted serves to smoothly insert.

As a result, the wire can be easily inserted while allowing the protection tube to be inserted smoothly with even less force.

And it is preferable to form the width | variety of the side into which the protection tube H of the said vertical roller 32 is inserted rather than the width of an electric wire. This is because the flange of the protective tube is firstly widened from the mounting flange, so the flange of the protective tube does not have a wide width at one time, but serves to open naturally and more smoothly.

The second friction reducing portion 40 has a technical configuration of reducing the frictional force while supporting the inner bottom surface of the protective tube H on the guide stand 12 on the rear side of the first friction reducing portion 30.

The second friction reducing part 40 is rotatably provided on at least one or more mounting grooves 42 formed on the bottom surface of the guide base 12 and the mounting grooves 42 by a conventional pin coupling method or the like. Each horizontal roller 44 is comprised.

The horizontal roller of the second irregularity reducing portion minimizes the frictional resistance when the protective tube is inserted together with the first friction reducing portion described above, so that the insertion of the protective tube can be made more smoothly and more easily, in particular, the inner bottom surface of the protective tube. The support tube also prevents the phenomenon that the inserted protection tube is tilted to the upper side also has a condition that can be made more smoothly connecting the protective tube.

The conveying wheel 50 has a technical configuration of conveying the protection pipe H inserted into the lower portion of the guide table 12 while being rotated by the driving means 500. The conveying wheel 50 has a mounting frame ( 14 and a connecting link 54 formed by the spring 52 so that the transfer wheel 50 is connected to support the bottom of the protective tube (H). The outer periphery of the transfer wheel is wrapped with a soft resin, such as conventional rubber or silicone so as to smoothly transfer due to friction with the protective tube. The transport wheel is provided on a plate or housing provided in a manner conventional to the mounting frame. Although not shown, the plate or housing is provided with an installation tool for installing a conventional work table or the like.

The driving means 500 is connected to each of the connecting pins 510 having a bearing 512 on the outer surface at regular intervals along the outer circumferential surface of the transfer wheel 50, and the bearing 512 of the connecting pin 510. The drive sprocket 520 to contact and rotate, and the power transmission unit 530 connected to the drive source 532 so that the drive sprocket 520 is rotated. The power transmission unit has a known technical configuration, and any method may be applied as long as it is a known technical configuration capable of transmitting power such as a worm gear system or a bevel gear system. The driving source may connect a conventional motor or the like, as well as a jig which can be rotated manually by a worker using a conventional manual tool or a jig that can be rotated using an electric conventional tool. .

Accordingly, the transfer wheel smoothly transfers the protective tube while contacting the bottom surface of the protective tube.

The connection support part 60 stops and moves the connection bracket B connecting the protection tube H and the protection tube H to the lower part of the guide stand 12 on the opposite side where the protection tube H is inserted. Have a supporting technical configuration.

The connection support part 60 is a stopper body 65 supported by the support springs 62 on both sides to stop and support the bottom of the connection bracket B, and a cam groove 66 formed on one surface of the stopper body 65. The rolling roll 67 is formed at one end to be clouded on, and includes a restoring spring 68 for restoring the original position after the stopper body 35 is rotated when a force greater than that of the support spring 62 is applied.

In other words, the connecting support serves to allow the protective tube and the fire tube to be connected or separated on the connecting bracket.

That is, when the connecting bracket (B) connected to the end of the protective tube (h) is located on the stopper body 65, as shown in Figure 3e and 3f, the jaw formed on the bottom surface of the connecting bracket (B) of the stopper Q body Maintaining the state supported by the upper end, at this time by pressing the rear protective tube (H), the hook formed at the front end of the protective tube is inserted into the hook groove formed at the rear end of the front protective tube is connected to each protective tube .

In this way, when the connection of the protective tube is completed, by pressing the operator with a stronger force, that is, a force stronger than the elastic force of the support spring 62, the stopper body 65 is rotated while the connection bracket was hanging on the stopper body 65 (B) is moved. At this time, when the movement is completed, the stopper body 65 is positioned at the original position before rotation by the restoring force of the support spring 62 and the restoring spring 68. That is, the restoring spring allows the rolling roll formed at one end of the rolling roll to be supported on the cam groove formed on the stopper body to be smoothly restored and expanded to the original position of the stopper body while being compressed and expanded according to the rotation of the stopper body.

On the other hand, when the protective tube is to be separated again, as shown in FIGS. 3G and 3H by rotating the moving wheel 50, the protective tube H is transferred in the opposite direction inserted.

In addition, at this time, the connection bracket (B) is held again by the stopper body 65, the hook portion between the protection tube (H) is pressed again with a force stronger than the elastic force of the support spring 62 As it is separated, the protective pipe (H) is separated from the connecting bracket (B).

Therefore, the present invention minimizes the frictional resistance with the protection tube inserted to connect while having a simple structure, not a complicated structure, so that the operator can easily and conveniently disconnect and connect the protection tube with little force. It provides convenience.

In addition, the insertion of the electric wire can also be made smoothly by opening the flange of the protective tube while reducing the frictional resistance when the protective tube is inserted, there is also a condition that can quickly insert the protective tube into the wire.

1: protection tube inserting device
10: body frame 12: guide stand
14: mounting frame 20: holding member
22: rotating hole 24: cover
25 lifting link 26 nut housing
30: first friction reducing portion 32: vertical roller
40: second friction reducing portion 42: mounting groove
44: horizontal roller 50: feed wheel
52: Spring 54: Link
500: driving means 510: connecting pin
512: bearing 520: sprocket
530: power transmission unit 532: drive source
60: connection support 62: support spring
65: stopper body 66: cam groove
67: rolling roll 68: restoring spring

Claims (8)

As a protective tube inserting device for inserting a protective tube to the outer peripheral surface of the electric wire in order to prevent electric shock disasters and blackout accidents,
The protective tube inserting apparatus includes a guide frame into which a protective tube is inserted and guided at a lower portion thereof, and a main frame comprising a mounting frame provided on an upper surface of the guide stage;
A gripping member which is lifted by the rotational force of the rotary hole on the upper end of the mounting frame and grips an electric wire to install a protective tube;
A first friction reducing part that reduces frictional resistance while opening both sides of a flange of the protective tube at the tip of the side where the protective tube is inserted into the guide stand;
A second friction reducing portion for reducing friction while supporting the inner bottom surface of the protective tube on the guide stand on the rear side of the first friction reducing portion;
And a transport wheel for transporting the protection pipe inserted into the lower part of the guide while rotating by the driving means, wherein the transport wheel is connected to the transport wheel by a mounting frame and a spring so as to support the bottom of the protection pipe. ; And
And a connection support for supporting the protection bracket so as to stop and move the connection bracket connecting the protection tube to the lower portion of the guide stand on the opposite side to which the protection tube is inserted. The method of claim 1,
The gripping member may include a cover provided to cover the upper surface of the wire, a lifting link rotatably connected to at least two of the cover and the mounting frame, respectively provided at a corresponding position of the mounting frame and any one lifting link. The nut housing, the protective tube inserting device comprising a rotary hole that is fastened to each nut housing. The method of claim 1,
And the inclined surface of the cover and the mounting frame are formed to bend the wires to insert the protection tube. The method of claim 1,
The first friction reducing portion is rotatable on both sides of the guide stand protection tube insertion device consisting of at least one or more provided vertical rollers are provided in a zigzag form with a width corresponding to the width of the wire. The method of claim 4,
The width of the side in which the protective tube of the vertical roller is inserted is a protective tube insertion device is formed narrower than the width of the wire. The method of claim 1,
The second friction reducing part is at least one mounting groove formed on the bottom surface of the guide stand, protective tube inserting device consisting of each horizontal roller rotatably provided on the mounting groove. The method of claim 1,
The driving means includes a respective connection pin having a bearing on the outer surface along the outer circumferential surface of the transfer wheel, a driving sprocket for contacting and rotating the connecting pin, and a power transmission unit connected to the driving source to rotate the driving sprocket. Protective tube inserting device. The method of claim 1,
The connection support part has a rolling roll formed at one end to be clouded on a stopper body supported by support springs on both sides and a cam groove formed on one surface of the stopper body so as to support and stop the bottom of the connection bracket. When the stopper body is rotated protection tube inserting device including a restoring spring to restore to the original position.

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